CO HB1284

All new residential construction applying for water service on or after January 1, 2027 must install individual submeters for each dwelling unit to measure water consumption

Landlords, unit owners, and HOAs using ratio utility billing systems must deduct at least 10% of the total utility bill before allocating costs to tenants to account for common area usage

Rental agreements must disclose the billing method, administrative fees, and provide tenants the right to request copies of utility invoices and calculation explanations within 14 business days

Tenants who suspect submeter malfunctions must be given an investigation within 14 business days, with repairs or replacements made at no cost if inaccuracies are found

Violations allow tenants to recover actual damages from billing overages, additional damages up to 25% of overages, plus attorney fees and court costs